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<div class="title">C:/Users/Paulo/Documents/FEUP/EclipseWorkSpace/calgrafos/src/Auxiliar.cpp</div>  </div>
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<a href="_auxiliar_8cpp.html">Ir para a documentação deste ficheiro.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//============================================================================</span>
<a name="l00002"></a>00002 <span class="comment">// Nome        : Auxiliar.h</span>
<a name="l00003"></a>00003 <span class="comment">// Autores     : Grupo 12 da turma 2MIEIC4</span>
<a name="l00004"></a>00004 <span class="comment">//                           Luis Carlos Calado Lameirão Goncalves (050509043)</span>
<a name="l00005"></a>00005 <span class="comment">//                       Paula Francisca Ferreira Teixeira (090509139)</span>
<a name="l00006"></a>00006 <span class="comment">//                           Paulo Jorge de Faria dos Reis (080509037)</span>
<a name="l00007"></a>00007 <span class="comment">// Versão      : 1.0</span>
<a name="l00008"></a>00008 <span class="comment">// Data        : Novembro de 2009</span>
<a name="l00009"></a>00009 <span class="comment">// Copyright   : Creative Commons 2.0</span>
<a name="l00010"></a>00010 <span class="comment">// Descrição   : CAL 2011 - TG1</span>
<a name="l00011"></a>00011 <span class="comment">//               Tema 12 - Transporte de pacientes de uma clínica de saúde.</span>
<a name="l00012"></a>00012 <span class="comment">// Nota        : Código reutilizado de trabalho anterior.</span>
<a name="l00013"></a>00013 <span class="comment">//============================================================================</span>
<a name="l00014"></a>00014 
<a name="l00015"></a>00015 <span class="preprocessor">#include &quot;<a class="code" href="_auxiliar_8h.html">auxiliar.h</a>&quot;</span>
<a name="l00016"></a>00016 
<a name="l00017"></a><a class="code" href="_auxiliar_8cpp.html#a9cfe4a0f54b45744fdcf84a09347f15f">00017</a> <span class="preprocessor">#define d2r (M_PI / 180.0)</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span>
<a name="l00019"></a><a class="code" href="_auxiliar_8h.html#a864809bdda3de5f40e7dc591a77e9f4c">00019</a> <span class="keywordtype">void</span> <a class="code" href="_auxiliar_8cpp.html#a0116bf9105449cb312d97934032b3867" title="Funções globais auxiliares.">separador</a>(<span class="keyword">const</span> <span class="keywordtype">string</span>&amp; linha, vector&lt;string&gt;&amp; resultado, <span class="keyword">const</span> <span class="keywordtype">string</span>&amp; separadores = <span class="stringliteral">&quot;;&quot;</span>)
<a name="l00020"></a>00020 {
<a name="l00021"></a>00021     string::size_type posicao1 = linha.find_first_not_of(separadores, 0);               
<a name="l00022"></a>00022     string::size_type posicao2 = linha.find_first_of(separadores, posicao1);    
<a name="l00023"></a>00023 
<a name="l00024"></a>00024     <span class="keywordflow">while</span> (string::npos != posicao2 || string::npos != posicao1)
<a name="l00025"></a>00025     {
<a name="l00026"></a>00026         resultado.push_back(linha.substr(posicao1, posicao2 - posicao1));       
<a name="l00027"></a>00027         posicao1 = linha.find_first_not_of(separadores, posicao2);                      
<a name="l00028"></a>00028         posicao2 = linha.find_first_of(separadores, posicao1);                          
<a name="l00029"></a>00029     }
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031 
<a name="l00032"></a><a class="code" href="_auxiliar_8h.html#a897e5cf8f97c84d107c2d83e970cb15e">00032</a> <span class="keywordtype">int</span> <a class="code" href="_auxiliar_8cpp.html#a897e5cf8f97c84d107c2d83e970cb15e" title="Função auxiliar que verifica se uma string é um número inteiro, e que o devolve.">stringParaInteiro</a>(<span class="keywordtype">string</span> str)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034         <span class="keywordtype">char</span> numeroC[20];
<a name="l00035"></a>00035         <span class="keywordtype">int</span> numeroI;
<a name="l00036"></a>00036         <span class="keywordflow">try</span>
<a name="l00037"></a>00037         {
<a name="l00038"></a>00038                 <span class="keywordflow">for</span>(string::size_type i = 0; i &lt; str.length(); i++)
<a name="l00039"></a>00039                 {
<a name="l00040"></a>00040                         <span class="keywordflow">if</span>(i == 20) <span class="keywordflow">throw</span>(<span class="stringliteral">&quot;Número demasiado grande!&quot;</span>);
<a name="l00041"></a>00041                         <span class="keywordflow">if</span>(!isdigit(str[i])) <span class="comment">// Verificar se é um digito</span>
<a name="l00042"></a>00042                         {
<a name="l00043"></a>00043                                 str = str + <span class="stringliteral">&quot;: Não é um número!&quot;</span>;
<a name="l00044"></a>00044                                 <span class="keywordflow">throw</span>(str);
<a name="l00045"></a>00045                         }
<a name="l00046"></a>00046                         <span class="keywordflow">else</span>
<a name="l00047"></a>00047                         {
<a name="l00048"></a>00048                                 numeroC[i] = str[i];
<a name="l00049"></a>00049                         }
<a name="l00050"></a>00050                 }
<a name="l00051"></a>00051         }
<a name="l00052"></a>00052         <span class="keywordflow">catch</span>(<span class="keywordtype">char</span> * erros)
<a name="l00053"></a>00053         {
<a name="l00054"></a>00054                 std::cerr &lt;&lt; erros &lt;&lt; <span class="stringliteral">&quot; Utilizando \&quot;0\&quot;.&quot;</span> &lt;&lt; std::endl;
<a name="l00055"></a>00055                 str = <span class="stringliteral">&quot;0&quot;</span>;
<a name="l00056"></a>00056         }
<a name="l00057"></a>00057         numeroI = atoi(str.c_str());
<a name="l00058"></a>00058 <span class="keywordflow">return</span> numeroI;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 
<a name="l00061"></a><a class="code" href="_auxiliar_8h.html#a59a4f9fe2b05e64663bef8f0bef40ca6">00061</a> <span class="keywordtype">string</span> <a class="code" href="_auxiliar_8cpp.html#a59a4f9fe2b05e64663bef8f0bef40ca6" title="Transforma um inteiro em string.">intToString</a>(<span class="keywordtype">int</span> n)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063         std::stringstream out;
<a name="l00064"></a>00064         out &lt;&lt; n;
<a name="l00065"></a>00065         <span class="keywordflow">return</span> out.str();
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 
<a name="l00070"></a><a class="code" href="_auxiliar_8h.html#ac968476bd197b7251fa7f8fd3f6cd227">00070</a> <span class="keywordtype">double</span> <a class="code" href="_auxiliar_8cpp.html#ac968476bd197b7251fa7f8fd3f6cd227" title="Calcula a distância entre 2 posições geográficas.">haversine_m</a>(<span class="keywordtype">double</span> lat1, <span class="keywordtype">double</span> long1, <span class="keywordtype">double</span> lat2, <span class="keywordtype">double</span> long2)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072         <span class="keywordtype">double</span> dlong = (long2 - long1) * <a class="code" href="_auxiliar_8cpp.html#a9cfe4a0f54b45744fdcf84a09347f15f">d2r</a>;
<a name="l00073"></a>00073         <span class="keywordtype">double</span> dlat = (lat2 - lat1) * <a class="code" href="_auxiliar_8cpp.html#a9cfe4a0f54b45744fdcf84a09347f15f">d2r</a>;
<a name="l00074"></a>00074         <span class="keywordtype">double</span> a = pow(sin(dlat/2.0), 2) + cos(lat1*<a class="code" href="_auxiliar_8cpp.html#a9cfe4a0f54b45744fdcf84a09347f15f">d2r</a>) * cos(lat2*d2r) * pow(sin(dlong/2.0), 2);
<a name="l00075"></a>00075         <span class="keywordtype">double</span> c = 2 * atan2(sqrt(a), sqrt(1-a));
<a name="l00076"></a>00076         <span class="keywordtype">double</span> d = 6367 * c * 1000;
<a name="l00077"></a>00077     <span class="keywordflow">return</span> d;
<a name="l00078"></a>00078 }
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